| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.oodt.cas.filemgr.metadata.extractors.examples; |
| |
| //JDK imports |
| import java.io.File; |
| |
| //OODT imports |
| import org.apache.oodt.cas.filemgr.metadata.CoreMetKeys; |
| import org.apache.oodt.cas.filemgr.metadata.extractors.AbstractFilemgrMetExtractor; |
| import org.apache.oodt.cas.filemgr.structs.Product; |
| import org.apache.oodt.cas.filemgr.structs.Reference; |
| import org.apache.oodt.cas.filemgr.structs.exceptions.VersioningException; |
| import org.apache.oodt.cas.filemgr.util.GenericFileManagerObjectFactory; |
| import org.apache.oodt.cas.filemgr.versioning.Versioner; |
| import org.apache.oodt.cas.filemgr.versioning.VersioningUtils; |
| import org.apache.oodt.cas.metadata.Metadata; |
| import org.apache.oodt.cas.metadata.exceptions.MetExtractionException; |
| |
| /** |
| * |
| * Extracts the final <code>FILE_LOCATION</code> met field from the underlying |
| * {@link Product} and sets it appropriately in the {@link Product} |
| * {@link Metadata}. |
| * |
| */ |
| public class FinalFileLocationExtractor extends AbstractFilemgrMetExtractor |
| implements CoreMetKeys { |
| |
| private boolean replaceLocation; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.apache.oodt.cas.filemgr.metadata.extractors.AbstractFilemgrMetExtractor |
| * #doConfigure() |
| */ |
| @Override |
| public void doConfigure() { |
| if (this.configuration != null) { |
| this.replaceLocation = Boolean.parseBoolean(this.configuration |
| .getProperty("replace")); |
| } |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.apache.oodt.cas.filemgr.metadata.extractors.AbstractFilemgrMetExtractor |
| * #doExtract(org.apache.oodt.cas.filemgr.structs.Product, |
| * org.apache.oodt.cas.metadata.Metadata) |
| */ |
| @Override |
| public Metadata doExtract(Product product, Metadata met) |
| throws MetExtractionException { |
| Metadata extractMet = new Metadata(); |
| merge(met, extractMet); |
| // get the Versioner |
| Versioner versioner = GenericFileManagerObjectFactory |
| .getVersionerFromClassName(product.getProductType().getVersioner()); |
| try { |
| versioner.createDataStoreReferences(product, met); |
| } catch (VersioningException e) { |
| throw new MetExtractionException( |
| "Unable to generate final FileLocation: Reason: " + e.getMessage()); |
| } |
| |
| if (product.getProductStructure().equals(Product.STRUCTURE_FLAT)) { |
| Reference r = product.getProductReferences().get(0); |
| String finalLocation = VersioningUtils.getAbsolutePathFromUri(r |
| .getDataStoreReference()); |
| if (this.replaceLocation) { |
| extractMet.replaceMetadata(FILE_LOCATION, new File(finalLocation) |
| .getParent()); |
| } else { |
| extractMet.addMetadata(FILE_LOCATION, new File(finalLocation) |
| .getParent()); |
| } |
| |
| } else |
| throw new MetExtractionException( |
| "Unable to extract final file location from " |
| + Product.STRUCTURE_HIERARCHICAL + " products!"); |
| |
| return extractMet; |
| |
| } |
| |
| } |